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2026-05-27 - 11:41
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: ondemand
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack5slot4.osadl.org (updated Wed May 27, 2026 00:44:04)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
5248213169,7sleep10-21swapper/119:09:431
5270213071,6sleep20-21swapper/219:10:002
5247212464,7sleep00-21swapper/019:09:420
51002113100,10sleep30-21swapper/319:07:483
273152660,1sleep338-21rcuc/319:25:183
26052610,0sleep10-21swapper/122:25:001
268652600,2sleep3391ktimersoftd/323:15:123
215272590,1sleep221533-21kthreadcore00:05:212
167202580,0sleep00-21swapper/020:14:280
57422560,0sleep00-21swapper/019:10:120
174482540,0sleep30-21swapper/319:45:163
67432530,0sleep20-21swapper/219:35:182
67432530,0sleep20-21swapper/219:35:182
544099280,27cyclictest0-21swapper/220:54:022
543299280,27cyclictest0-21swapper/121:41:321
543299280,27cyclictest0-21swapper/100:31:101
543299270,26cyclictest0-21swapper/123:23:301
543299270,26cyclictest0-21swapper/123:01:181
543299270,26cyclictest0-21swapper/122:50:361
543299270,26cyclictest0-21swapper/122:28:241
543299270,26cyclictest0-21swapper/122:17:211
543299270,26cyclictest0-21swapper/121:50:541
543299270,26cyclictest0-21swapper/121:48:421
543299270,26cyclictest0-21swapper/121:35:441
543299270,26cyclictest0-21swapper/121:25:161
543299270,26cyclictest0-21swapper/121:18:141
543299270,26cyclictest0-21swapper/120:36:471
543299270,26cyclictest0-21swapper/120:31:401
543299270,26cyclictest0-21swapper/120:14:201
543299270,26cyclictest0-21swapper/119:42:071
543299270,26cyclictest0-21swapper/119:36:161
543299270,26cyclictest0-21swapper/119:36:151
543299270,26cyclictest0-21swapper/119:31:091
543299270,26cyclictest0-21swapper/100:36:201
543299270,26cyclictest0-21swapper/100:26:461
543299270,26cyclictest0-21swapper/100:03:341
5440992617,8cyclictest0-21swapper/221:01:172
544099260,25cyclictest0-21swapper/222:17:482
5432992623,2cyclictest0-21swapper/119:27:191
5432992622,3cyclictest0-21swapper/123:17:311
543299260,25cyclictest0-21swapper/123:09:391
543299260,25cyclictest0-21swapper/122:45:421
543299260,25cyclictest0-21swapper/122:36:001
543299260,25cyclictest0-21swapper/122:30:391
543299260,25cyclictest0-21swapper/122:13:541
543299260,25cyclictest0-21swapper/121:31:471
543299260,25cyclictest0-21swapper/121:20:191
543299260,25cyclictest0-21swapper/120:49:291
543299260,25cyclictest0-21swapper/120:17:011
543299260,25cyclictest0-21swapper/120:04:551
543299260,25cyclictest0-21swapper/100:22:021
543299260,25cyclictest0-21swapper/100:16:281
5428992618,7cyclictest749-21snmpd20:07:500
5440992522,2cyclictest0-21swapper/221:33:322
5440992521,3cyclictest0-21swapper/223:30:252
5440992521,3cyclictest0-21swapper/200:32:102
5440992518,7cyclictest0-21swapper/222:45:272
5432992518,7cyclictest0-21swapper/120:40:161
542899256,13cyclictest0-21swapper/022:05:170
542899250,24cyclictest0-21swapper/023:45:150
5440992421,2cyclictest0-21swapper/219:45:312
5432992422,2cyclictest0-21swapper/123:57:171
5432992422,2cyclictest0-21swapper/122:08:031
5432992421,3cyclictest0-21swapper/123:13:481
542899242,1cyclictest280-21systemd-journal22:49:580
5428992418,5cyclictest749-21snmpd19:30:400
5428992416,7cyclictest749-21snmpd20:22:500
5428992416,7cyclictest749-21snmpd00:38:370
5440992320,3cyclictest0-21swapper/222:10:062
5432992320,2cyclictest0-21swapper/121:12:171
5432992317,6cyclictest0-21swapper/123:54:071
5428992316,6cyclictest749-21snmpd21:50:540
5428992316,6cyclictest749-21snmpd19:37:070
5428992316,6cyclictest749-21snmpd19:37:060
5428992315,7cyclictest749-21snmpd22:50:360
5440992220,2cyclictest0-21swapper/220:14:022
5440992220,2cyclictest0-21swapper/220:04:232
5440992218,3cyclictest0-21swapper/220:45:222
5440992218,3cyclictest0-21swapper/200:14:142
544099221,2cyclictest14619-21df22:35:122
544099221,20cyclictest0-21swapper/219:24:452
544099220,21cyclictest0-21swapper/222:09:182
544099220,21cyclictest0-21swapper/221:18:532
544099220,21cyclictest0-21swapper/220:38:172
544099220,21cyclictest0-21swapper/220:15:202
544099220,21cyclictest0-21swapper/219:53:432
544099220,21cyclictest0-21swapper/200:24:492
5428992217,4cyclictest30518-21cat00:15:160
5428992215,6cyclictest749-21snmpd23:54:550
5428992215,6cyclictest749-21snmpd23:26:570
5428992215,6cyclictest749-21snmpd23:09:450
5428992215,6cyclictest749-21snmpd22:40:030
5428992215,6cyclictest749-21snmpd22:30:450
5428992215,6cyclictest749-21snmpd19:54:310
5428992215,6cyclictest749-21snmpd00:22:110
5428992214,7cyclictest749-21snmpd19:23:100
542899221,3cyclictest0-21swapper/000:10:250
542899220,2cyclictest11100-21/usr/sbin/munin23:30:230
542899220,10cyclictest0-21swapper/022:15:110
5440992118,3cyclictest0-21swapper/221:58:422
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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